Pith Number

pith:XXW2D6S6

pith:2019:XXW2D6S6RWZNCDI32TYUWYVEE7

not attested not anchored not stored refs pending

Inverse scattering and global well-posedness in one and two space dimensions

Peter A. Perry

arxiv:1902.01009 v2 · 2019-02-04 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XXW2D6S6RWZNCDI32TYUWYVEE7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:46:52.944430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdeda1fa5e8db2d10d1bd4f14b62a427d45c1344cac79c518ddcad20659cb0eb

Aliases

arxiv: 1902.01009 · arxiv_version: 1902.01009v2 · doi: 10.48550/arxiv.1902.01009 · pith_short_12: XXW2D6S6RWZN · pith_short_16: XXW2D6S6RWZNCDI3 · pith_short_8: XXW2D6S6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XXW2D6S6RWZNCDI32TYUWYVEE7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: bdeda1fa5e8db2d10d1bd4f14b62a427d45c1344cac79c518ddcad20659cb0eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67b98c00bf99845fb6d8c18ffef4b5016a34f3f5e6f3ef4087409bce68e4a751",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-02-04T02:07:56Z",
    "title_canon_sha256": "e2aaa5b9e3fc14726a7f9ba3af4724c6465c42f8282c8359227b66116524bd17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01009",
    "kind": "arxiv",
    "version": 2
  }
}